. >> when michelle, the daughter of a ship worker and a secretary wanted to go to college, just like me, this country helped us afford it. until we could pay it back. so what drives me as a grandson, a son, a father, as an american, to make sure that every striving, hard-working kid in america has the same incredible chance this country gave me. >> income inequality. the presidt is gambling g this is the next big thing politilly. he says he will devote thehe ret of his time in office to closing the gap between rich and poor. when he says income inequality is the defining challenge of our time the walall street journal ys he should know. few presidents have done more to crease ithen he has. is thahat fair? >> i do not thinit is fairr accurate. i think the problem is when you call something like inincome inequality the greatest challenge of our time, what is the answer? that is where we come up short to what we do about a problem of this enormity. you can increase the minimum wage, no argument there. but that does not solve the problem of income inequality. you have to go back to your